library test;
import self as self;
import "dart:core" as core;

static method main() → dynamic {
  core::List<core::int*>* x;
  core::List<core::num*>* y = let final core::List<core::int*>* #t1 = x in #t1 == null ?{core::List<core::num*>*} core::_GrowableList::•<core::num*>(0) : #t1;
}